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Tabular corundum casting material

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Product Description

  product Overview:


  Tabular corundum casting material uses high-purity, high-melting plate-shaped corundum as the main raw material, combined with high-quality active alumina powder and other raw materials, has high thermal shock stability, anti-peeling and creep resistance. High fire resistance, good volume stability, high temperature performance and wear resistance are significantly enhanced. At the same time, by adding silicon carbide, the corrosion resistance of Corundum texture casting material is greatly enhanced. Mainly suitable for large and medium-sized cement kiln mouths and coal injection pipes.


  Physical and chemical indicators of general purpose Clay brick:


Item BGJ-20S
Al2O3        %      ≥ 90
Bulk Density(110 ℃×24h)       g/cm³     ≥ 2.90
Compressive strength at room temperature    Mpa        ≥ 110 ℃×24h 100
1100 ℃×3h 100
1400 ℃×3h 120
Flexural strength at room temperature    Mpa        ≥ 110 ℃×24h 8
1100 ℃×3h 10
1400 ℃×3h 10
Line change rate( 1400 ℃×3h)        %       ≤ ±0.5
Maximum use temperature            ℃ 1700


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